Here are some suggestions.
A black dress is perfect for a witch's costume, but depending on the type of dress, it could be used for a "dead" beauty queen, vampire or other characters.
You can dress the poodle in a pumpkin costume, and the dachsunds as a black cat
dress like a witch wearing a long sleeved costume
Dress as yourself obviously
A halloween costume is a costume/fancy dress outfit in a distinctive style to copy the dress of a particular person, character, animal or object. This is then obviously worn at Halloween, often to parties of trick-or-treating. The halloween theme means they are normal scary characters from horror movies or generically scary things such as zombies.
You can make a homemade mad scientist costume with a pair of dress pants, a dress shirt, and a lab coat. Add some kooky glasses and a wig of wild hair and you are a mad scientist.
Underwear of some sort is always a good start. Then, depending on the costume, you could add socks, long johns, etc. Get creative!
This website: http://www.parents.com/holiday/halloween/costumes/ has some fun and unique costume ideas for your new born. But remember to dress them in a warm costume.
A common costume that a child might wear for halloween is a: Ghost: cut out pillow case or sheet cover Witch: wear all black clothing with coloured tights, lots of facepaint and a hat and cape. otherwise an animal that they love the most. happy halloween :)
Depends on what the dress looks like. Possibly a vampire, a witch, anything, really.
dress up as an evil rabbit.
People like to dress who they are not for Halloween. Alot of boys dress like girls for Halloween, it's fun for people to act like who they aren't for a night. Almost no one wants to meet the devil or go to Hell, but like I said, you can dress up like who you aren't. The Devil costume is really easy to do too, a red dress, and red shoes. But everyone does a Halloween costume for what they want it for, so everyone has their different reasons.